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Arroyo González, Jorge Rafael. Democratic coexistence. (2012). In Citizen Discussion. Retrieved: February 16, 2018. In Citizen Discussion of blog.pucp.edu.pe.
Carbajal Padilla, Patricia. Democratic coexistence in schools. Notes for a reconceptualization. (2013). In Ibero-American Journal of Educational Evaluation. Retrieved: February 16, 2018. In the Ibero-American Journal of Educational Evaluation.